From 311f2967a53520631c9b71c14bd17d014e89d032 Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Fri, 18 Mar 2022 17:59:06 -0700
Subject: [PATCH] gpu: implement Device.loseForTesting

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/Device.zig         | 8 ++++++--
 gpu/src/NativeInstance.zig | 5 +++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/gpu/src/Device.zig b/gpu/src/Device.zig
index 55e20284..701877fb 100644
--- a/gpu/src/Device.zig
+++ b/gpu/src/Device.zig
@@ -70,8 +70,7 @@ pub const VTable = struct {
     // TODO: should hasFeature be a helper method?
     // WGPU_EXPORT bool wgpuDeviceHasFeature(WGPUDevice device, WGPUFeature feature);
     injectError: fn (ptr: *anyopaque, type: ErrorType, message: [*:0]const u8) void,
-    // loseForTesting: fn (ptr: *anyopaque) void,
-    // WGPU_EXPORT void wgpuDeviceLoseForTesting(WGPUDevice device);
+    loseForTesting: fn (ptr: *anyopaque) void,
     // TODO: callback
     // popErrorScope: fn (ptr: *anyopaque, callback: ErrorCallback) bool,
     // WGPU_EXPORT bool wgpuDevicePopErrorScope(WGPUDevice device, WGPUErrorCallback callback, void * userdata);
@@ -105,6 +104,10 @@ pub inline fn injectError(device: Device, typ: ErrorType, message: [*:0]const u8
     device.vtable.injectError(device.ptr, typ, message);
 }
 
+pub inline fn loseForTesting(device: Device) void {
+    device.vtable.loseForTesting(device.ptr);
+}
+
 pub inline fn createBindGroup(device: Device, descriptor: *const BindGroup.Descriptor) BindGroup {
     return device.vtable.createBindGroup(device.ptr, descriptor);
 }
@@ -209,6 +212,7 @@ test {
     _ = release;
     _ = getQueue;
     _ = injectError;
+    _ = loseForTesting;
     _ = createBindGroup;
     _ = createBindGroupLayout;
     _ = createSampler;
diff --git a/gpu/src/NativeInstance.zig b/gpu/src/NativeInstance.zig
index 378ddabf..0827e4c0 100644
--- a/gpu/src/NativeInstance.zig
+++ b/gpu/src/NativeInstance.zig
@@ -327,6 +327,11 @@ const device_vtable = Device.VTable{
             c.wgpuDeviceInjectError(@ptrCast(c.WGPUDevice, ptr), @enumToInt(typ), message);
         }
     }).injectError,
+    .loseForTesting = (struct {
+        pub fn loseForTesting(ptr: *anyopaque) void {
+            c.wgpuDeviceLoseForTesting(@ptrCast(c.WGPUDevice, ptr));
+        }
+    }).loseForTesting,
     .createBindGroup = (struct {
         pub fn createBindGroup(ptr: *anyopaque, descriptor: *const BindGroup.Descriptor) BindGroup {
             var few_entries: [16]c.WGPUBindGroupEntry = undefined;